* add chapter statistics and new filler options * refactor playout builder * more refactor prep for filler * rewrite schedulers * refactor collectionkey * add tail filler kind * migrate tail filler to filler preset * optionally show filler * fix playout detail row count * remove duration tail filler options * implement tail and fallback in flood scheduler * implement tail and fallback in one scheduler * implement tail and fallback in multiple scheduler * implement looping fallback filler * more duration tests * start to add post-roll filler to flood * rework playoutitem filler tagging * rework scheduler logging * calculate whether configured filler will fit * implement pre-roll and post-roll duration and count filler * improve duration filler calculation * add minutes to search index * update channel guide to work with new filler * add mid-roll filler * don't clone enumerators for filler calculations * support pre-roll and post-roll pad filler * implement mid-roll pad filler * allow clearing filler selections in schedule editor * fix tests * filler config validation * use consistent time zone for tests